Which of the following is TRUE regarding the workup and...

Name: Problem 19, Chapter 15: Emergency Medicine Examination & Board Review
Uploaded: 2021-06-17T03:09:46-08:00
Duration: 2 min 19 s
Channel: Ummatul Choudary
Description: Which of the following is TRUE regarding the workup and treatment of suspected bacterial meningitis? (A) Steroids should always be given. (B) A CT scan must always precede the lumbar puncture. (C) Empiric antibiotic therapy should always be given in the ED. (D) Lumbar puncture results should always guide initial antibiotic choice.

Which of the following is TRUE regarding the workup and treatment of suspected bacterial meningitis? (A) Steroids should always be given. (B) A CT scan must always precede the lumbar puncture. (C) Empiric antibiotic therapy should always be given in the ED. (D) Lumbar puncture results should always guide initial antibiotic choice.

Which of the following is TRUE regarding the workup and treatment of suspected bacterial meningitis?
(A) Steroids should always be given.
(B) A CT scan must always precede the lumbar puncture.
(C) Empiric antibiotic therapy should always be given in the ED.
(D) Lumbar puncture results should always guide initial antibiotic choice.

Key Concepts

Bacterial Meningitis

Bacterial meningitis is a severe infection of the protective membranes covering the brain and spinal cord that requires prompt diagnosis and treatment to reduce mortality and neurologic complications. The condition is typically managed as a medical emergency, necessitating rapid intervention and a systematic workup including history, physical examination, and laboratory studies.

Empiric Antibiotic Therapy

Empiric antibiotic therapy involves the immediate administration of broad-spectrum antibiotics before the exact causative organism is identified. In cases of suspected bacterial meningitis, early treatment is crucial to prevent significant morbidity and mortality, and the choice of antibiotics is based on factors such as patient age, immune status, and local resistance patterns.

Lumbar Puncture

A lumbar puncture is a diagnostic procedure used to collect cerebrospinal fluid (CSF) for analysis, which is essential in confirming the diagnosis of meningitis. The results help determine the presence of infection and guide further management, though initial treatment decisions are often made before obtaining these results.

CT Scan in Meningitis Workup

A CT scan is sometimes utilized before a lumbar puncture to rule out contraindications such as increased intracranial pressure or mass lesions that could lead to brain herniation during the procedure. However, not all patients require imaging before a lumbar puncture, and its use is based on clinical judgment rather than a blanket requirement.

Adjunctive Corticosteroids

Corticosteroids, such as dexamethasone, can be used as adjunctive therapy in bacterial meningitis to reduce inflammation and potential neurologic complications. Their use is typically based on the suspected or confirmed pathogen and clinical guidelines, but they are not automatically administered in every case.

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